Table 2.
The crude and age-adjusted percentage of women who received breast-conserving surgery without radiation therapy for early-stage breast cancer over time in Caucasians compared to African Americans
| Year of Diagnosis | Total Number of Cases with BCS and % Without Radiation in Caucasians |
Total Number of Cases with BCS and Percent (%) without Radiation in African Americans |
Disparity Between African Americans and Caucasians |
|||||
|---|---|---|---|---|---|---|---|---|
| n | % Without Radiation | Age-Adjusted* % Without Radiation | n | % Without Radiation | Age-Adjusted % Without Radiation | Crude Rate | Age-Adjusted Rate | |
| 1992 | 4767 | 26.0 | 24.7 | 425 | 34.1 | 34.0 | 8.1 | 9.3 |
| 1993 | 5187 | 26.0 | 24.8 | 442 | 33.3 | 35.8 | 7.3 | 11.0 |
| 1994 | 5608 | 23.8 | 23.5 | 517 | 32.9 | 33.9 | 9.1 | 10.4 |
| 1995 | 6184 | 23.2 | 22.5 | 592 | 27.7 | 28.0 | 4.5 | 5.5 |
| 1996 | 6893 | 24.2 | 23.9 | 641 | 33.2 | 33.0 | 9.0 | 9.1 |
| 1997 | 7658 | 27.0 | 26.4 | 709 | 38.8 | 38.5 | 11.8 | 12.1 |
| 1998 | 8417 | 22.8 | 22.6 | 787 | 31.6 | 32.1 | 8.8 | 9.5 |
| 1999 | 8816 | 26.1 | 25.6 | 806 | 35.4 | 36.7 | 9.3 | 11.1 |
| 2000 | 9150 | 28.0 | 27.8 | 860 | 39.5 | 40.1 | 11.5 | 12.3 |
| 2001 | 9292 | 28.9 | 28.8 | 824 | 40.7 | 40.9 | 11.8 | 12.1 |
| 2002 | 9605 | 30.8 | 30.8 | 930 | 44.4 | 44.7 | 13.6 | 13.9 |
| Total | 81,577 | 26.4 | 26.0 | 7533 | 36.3 | 36.9 | 10.5 | 10.9 |
*
Percentages were age-adjusted for the Caucasian women diagnosed in 2002 (in five-year age interval from <40 to ≥80 years).
BCS=breast conserving surgery.